Patients rarely need red blood cell transfusions if the hemoglobin concentration is
a. Below 7 g/dL (70 g/L) and the patient has a low oxygen saturation level
b. Below 10 g/dL (100 g/L) and the patient is bleeding
c. Between 7 and 10 g/dL (70 and 100 g/L)and the patient has underlying cardiac disease
d. Above 10 g/dL (100 g/L) and the patient is hemodynamically stable
Question 2
Where do the majority of hematopoietic progenitor cells (HPCs) reside?
a. bone marrow
b. lymphatic system
c. peripheral circulation
d. striated muscle